Bobbin for spinning-machines.



' ,A. H. BRIGGS.

BOBBIE FOB SPINNING MAGHINES.

APPLICATION FILED HAZE- .14, 1910.

Patented Feb. 14, 1911.

FIGS.

INVENTDF'C UNITED s'rArnsrnrENT OFFICE.

ARTHUR HARRY BRIGGS, OF BRADFORD, ENGLAND.

BOBBIN FOR SPINNING-MACHINES.

Specification of Letters Patent.

Application filed March 14, 1910.

Patented Feb. 14, 1911.

Serial No. 549,080.

To all whom it may concern:

Be it known that I, ARTHUR I'IARRY BRIGGS, a subject of the King of Great Britain, and residing at Bradford, Yorkshire, England, have invented new and useful Improvements in Bobbins for Spinning-Machines, of which the following is a specification.

The present invention relates to an improved bobbin for drawing, spinning and the like.

One object of the invention is to provide a light bobbin of great strength.

A further object is to provide a bobbin which shall not be influenced by climatic changes nor tend to warp or disintegrate owing to damp in the sheds in which it is used.

A further object of the invention is, in addition to arranging the heads or ends of the bobbin so as to be unbreakable to secure them to the stem in such a way that it is practically impossible for them to come loose from the stem.

In the accompanying drawings a bobbin in accordance with the present invention is shown.

Figure 1 is an elevation of the bobbin partially in section and Fig. 2 a plan view of Fig. 1. Fig. 3 is a fragmentary View on an enlarged scale of one head.

In this the heads a of the bobbin are built up of multiply rotary cut veneer as shown in the drawing and provided with central orifices Z). There are five layers of veneer in each head and these are secured the one to the other by means of waterproof cement- 0. The stem d of the bobbin is hollow and provided at each end with a narrowed portion forming a shoulder e. The narrowed portion fits inside the orifices b of the respective heads a; so that these latter rest against the shoulders 6. At each end of the stem and fixed internally of the same is a hollow bush f the outer end of which is flush with the respective end of the stem while the inner end is flared or beveled as at g to avoid any edge against which the usual spindle of the drawing or spinning machine might catch. Diagonal holes are made through the heads a, the walls of the stem (Z and through the walls of the bush f into which pins h are driven and preferably fixed with waterproof cement. It will thus be obvious that the stem of the bobbin is strengthened at the ends where the heads a are carried by the bushes f and this is naturally the place which will be subject to the greatest shocks when the bobbin is allowed to fall. The ends themselves being built up of multiply rotary cut veneer with the grains of the adjacent layers arranged at right angles the one to the other, are practically indestructible and will not warp under climatic influences. Further owing to the pins h it will be impossible for the heads a to be drawn off the stem lengthwise.

I declare that what I claim is 1. In a bobbin for drawing, spinning and the like, a stem, layers of rotary cut veneer cemented together forming ends of the bobbin, a shoulder toward each end of the stem receiving said ends, and pins passing diagonally through each head and into the stem substantially as described.

2. In a bobbin for drawing, spinning and the like, layers of rotary cut veneer laid crosswise the one to the other and joined together by waterproof cement forming heads for the bobbin, a stem having a shoulder at each extremity adapted to receive the respective ends a bush inside the stem at each end thereof, and pins at each end pass ing diagonally through the respective heads, through the stem and through the bush.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

ARTHUR HARRY BRIGGS.

Witnesses:

HUBERT PUMPHREY, FRANCIS Knsnmmn. 

